Work and machines. North Dakota Academic Content Standards.
North Dakota Academic Content Education Standards. Work is when you use force upon an object causing the object to move. The amount of work you do has to do with how much force you need to use. Simple machines make doing work easier but they never decrease the amount of work that needs to be done. Read More...
The resources above correspond to the standards listed below:
North Dakota Academic Content Standards
Physical Science (PS)
3-PS2. Motion & Stability: Forces & Interactions
3-PS2-1. Plan and conduct an investigation to prove the effects of balanced and unbalanced forces on the motion of an object.
3-PS2-2. Make observations and metric measurements of an object's motion to prove that a pattern can be used to predict future motion.
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